27-year-old Zhao Hui Zheng and her 3-year-old son Aldrin He were last seen at around 11:00 AM on Saturday, July 4, at 1013 72nd Street, in the Dyker Heights section of Brooklyn.

Anyone with information is asked to call Crime Stoppers at (800) 577-TIPS (8477). You can also submit tips by logging onto Crime Stoppers' website or by texting your tips to CRIMES (274637), then enter TIP577.